Home / 13,933.36-20,900.73-5,612.25

Finding the Fourth Proportional to 13,933.36, 20,900.73 and 5,612.25

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Solution

The fourth proportional to 13,933.36, 20,900.73 and 5,612.25 is: 8,418.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.36 : 20,900.73 = 5,612.25 : x
  2. Step 2: Convert to fraction form
    13,933.36/20,900.73 = 5,612.25/x
  3. Step 3: Cross multiply
    13,933.36x = 20,900.73 × 5,612.25
  4. Step 4: Simplify right side
    13,933.36x = 117,300,146.13
  5. Step 5: Solve for x
    x = 117,300,146.13/13,933.36
  6. Step 6: Final answer
    x = 8,418.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.